gtk2_ardour/analysis_window.cc

   1 /*
   2     Copyright (C) 2006 Paul Davis
   3     Written by Sampo Savolainen
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #include <gtkmm2ext/gtk_ui.h>
  22 #include <gtkmm/stock.h>
  23 #include <gtkmm/label.h>
  24 #include <gtkmm/treemodel.h>
  25 #include <gtkmm/treeiter.h>
  26
  27 #include "ardour/audioregion.h"
  28 #include "ardour/audioplaylist.h"
  29 #include "ardour/types.h"
  30
  31 #include "analysis_window.h"
  32
  33 #include "route_ui.h"
  34 #include "time_axis_view.h"
  35 #include "public_editor.h"
  36 #include "selection.h"
  37 #include "audio_region_view.h"
  38
  39 #include "i18n.h"
  40
  41 using namespace ARDOUR;
  42 using namespace PBD;
  43
  44 AnalysisWindow::AnalysisWindow() :
  45
  46           source_selection_label       (_("Signal source")),
  47           source_selection_ranges_rb   (_("Selected ranges")),
  48           source_selection_regions_rb  (_("Selected regions")),
  49
  50           display_model_label                   (_("Display model")),
  51           display_model_composite_separate_rb   (_("Composite graphs for each track")),
  52           display_model_composite_all_tracks_rb (_("Composite graph of all tracks")),
  53
  54           show_minmax_button     (_("Show frequency power range")),
  55           show_normalized_button (_("Normalize values")),
  56
  57           fft_graph (16384)
  58 {
  59         set_name(_("FFT analysis window"));
  60         set_title (_("Spectral Analysis"));
  61
  62         track_list_ready = false;
  63
  64         // Left side: track list + controls
  65         tlmodel = Gtk::ListStore::create(tlcols);
  66         track_list.set_model (tlmodel);
  67         track_list.append_column(_("Track"), tlcols.trackname);
  68         track_list.append_column_editable(_("Show"), tlcols.visible);
  69         track_list.set_headers_visible(true);
  70         track_list.set_reorderable(false);
  71         track_list.get_selection()->set_mode (Gtk::SELECTION_NONE);
  72
  73
  74         Gtk::TreeViewColumn* track_col = track_list.get_column(0);
  75         Gtk::CellRendererText* renderer = dynamic_cast<Gtk::CellRendererText*>(track_list.get_column_cell_renderer (0));
  76
  77         track_col->add_attribute(renderer->property_foreground_gdk(), tlcols.color);
  78         track_col->set_expand(true);
  79
  80
  81         tlmodel->signal_row_changed().connect (
  82                         sigc::mem_fun(*this, &AnalysisWindow::track_list_row_changed) );
  83
  84         fft_graph.set_analysis_window(this);
  85
  86         vbox.pack_start(track_list);
  87
  88
  89         // "Signal source"
  90         vbox.pack_start(source_selection_label, false, false);
  91
  92         {
  93                 Gtk::RadioButtonGroup group = source_selection_ranges_rb.get_group();
  94                 source_selection_regions_rb.set_group(group);
  95
  96                 source_selection_ranges_rb.set_active();
  97
  98                 vbox.pack_start (source_selection_ranges_rb,  false, false);
  99                 vbox.pack_start (source_selection_regions_rb, false, false);
 100
 101                 // "Selected ranges" radio
 102                 source_selection_ranges_rb.signal_toggled().connect (
 103                                 sigc::bind ( sigc::mem_fun(*this, &AnalysisWindow::source_selection_changed), &source_selection_ranges_rb));
 104
 105                 // "Selected regions" radio
 106                 source_selection_regions_rb.signal_toggled().connect (
 107                                 sigc::bind ( sigc::mem_fun(*this, &AnalysisWindow::source_selection_changed), &source_selection_regions_rb));
 108         }
 109
 110         vbox.pack_start(hseparator1, false, false);
 111
 112         // "Display model"
 113         vbox.pack_start(display_model_label, false, false);
 114         {
 115                 Gtk::RadioButtonGroup group = display_model_composite_separate_rb.get_group();
 116                 display_model_composite_all_tracks_rb.set_group (group);
 117
 118                 display_model_composite_separate_rb.set_active();
 119
 120                 vbox.pack_start (display_model_composite_separate_rb,   false, false);
 121                 vbox.pack_start (display_model_composite_all_tracks_rb, false, false);
 122
 123                 // "Composite graphs for all tracks"
 124                 display_model_composite_separate_rb.signal_toggled().connect (
 125                                 sigc::bind ( sigc::mem_fun(*this, &AnalysisWindow::display_model_changed), &display_model_composite_separate_rb));
 126
 127                 // "Composite graph of all tracks"
 128                 display_model_composite_all_tracks_rb.signal_toggled().connect (
 129                                 sigc::bind ( sigc::mem_fun(*this, &AnalysisWindow::display_model_changed), &display_model_composite_all_tracks_rb));
 130         }
 131
 132         // Analyze button
 133
 134         refresh_button.set_name("EditorGTKButton");
 135         refresh_button.set_label(_("Re-analyze data"));
 136
 137         refresh_button.signal_clicked().connect ( sigc::bind ( sigc::mem_fun(*this, &AnalysisWindow::analyze_data), &refresh_button));
 138
 139         vbox.pack_start(refresh_button, false, false, 10);
 140
 141
 142         // Feature checkboxes
 143
 144         // minmax
 145         show_minmax_button.signal_toggled().connect( sigc::mem_fun(*this, &AnalysisWindow::show_minmax_changed));
 146         vbox.pack_start(show_minmax_button, false, false);
 147
 148         // normalize
 149         show_normalized_button.signal_toggled().connect( sigc::mem_fun(*this, &AnalysisWindow::show_normalized_changed));
 150         vbox.pack_start(show_normalized_button, false, false);
 151
 152
 153
 154
 155
 156         hbox.pack_start(vbox, Gtk::PACK_SHRINK);
 157
 158         // Analysis window on the right
 159         fft_graph.ensure_style();
 160
 161         hbox.add(fft_graph);
 162
 163
 164
 165         // And last we pack the hbox
 166         add(hbox);
 167         show_all();
 168         track_list.show_all();
 169 }
 170
 171 AnalysisWindow::~AnalysisWindow()
 172 {
 173
 174 }
 175
 176 void
 177 AnalysisWindow::show_minmax_changed()
 178 {
 179         fft_graph.set_show_minmax(show_minmax_button.get_active());
 180 }
 181
 182 void
 183 AnalysisWindow::show_normalized_changed()
 184 {
 185         fft_graph.set_show_normalized(show_normalized_button.get_active());
 186 }
 187
 188 void
 189 AnalysisWindow::set_rangemode()
 190 {
 191         source_selection_ranges_rb.set_active(true);
 192 }
 193
 194 void
 195 AnalysisWindow::set_regionmode()
 196 {
 197         source_selection_regions_rb.set_active(true);
 198 }
 199
 200 void
 201 AnalysisWindow::track_list_row_changed(const Gtk::TreeModel::Path& /*path*/, const Gtk::TreeModel::iterator& /*iter*/)
 202 {
 203         if (track_list_ready) {
 204                 fft_graph.redraw();
 205         }
 206 }
 207
 208
 209 void
 210 AnalysisWindow::clear_tracklist()
 211 {
 212         // Empty track list & free old graphs
 213         Gtk::TreeNodeChildren children = track_list.get_model()->children();
 214
 215         for (Gtk::TreeIter i = children.begin(); i != children.end(); i++) {
 216                 Gtk::TreeModel::Row row = *i;
 217
 218                 FFTResult *delete_me = row[tlcols.graph];
 219                 if (delete_me == 0)
 220                         continue;
 221
 222                 // Make sure it's not drawn
 223                 row[tlcols.graph] = 0;
 224
 225                 delete delete_me;
 226         }
 227
 228         tlmodel->clear();
 229 }
 230
 231 void
 232 AnalysisWindow::analyze()
 233 {
 234         analyze_data(&refresh_button);
 235 }
 236
 237 void
 238 AnalysisWindow::analyze_data (Gtk::Button * /*button*/)
 239 {
 240         track_list_ready = false;
 241         {
 242                 Glib::Threads::Mutex::Lock lm  (track_list_lock);
 243
 244                 // Empty track list & free old graphs
 245                 clear_tracklist();
 246
 247                 // first we gather the FFTResults of all tracks
 248
 249                 Sample *buf    = (Sample *) malloc(sizeof(Sample) * fft_graph.windowSize());
 250                 Sample *mixbuf = (Sample *) malloc(sizeof(Sample) * fft_graph.windowSize());
 251                 float  *gain   = (float *)  malloc(sizeof(float) * fft_graph.windowSize());
 252
 253                 Selection& s (PublicEditor::instance().get_selection());
 254
 255
 256                 // if timeSelection
 257                 if (source_selection_ranges_rb.get_active()) {
 258                         TimeSelection ts = s.time;
 259
 260                         for (TrackSelection::iterator i = s.tracks.begin(); i != s.tracks.end(); ++i) {
 261                                 boost::shared_ptr<AudioPlaylist> pl
 262                                         = boost::dynamic_pointer_cast<AudioPlaylist>((*i)->playlist());
 263
 264                                 if (!pl)
 265                                         continue;
 266
 267                                 RouteUI *rui = dynamic_cast<RouteUI *>(*i);
 268                                 int n_inputs = rui->route()->n_inputs().n_audio(); // FFT is audio only
 269
 270                                 // Busses don't have playlists, so we need to check that we actually are working with a playlist
 271                                 if (!pl || !rui)
 272                                         continue;
 273
 274                                 // std::cerr << "Analyzing ranges on track " << rui->route()->name() << std::endl;
 275
 276                                 FFTResult *res = fft_graph.prepareResult(rui->color(), rui->route()->name());
 277                                 for (std::list<AudioRange>::iterator j = ts.begin(); j != ts.end(); ++j) {
 278
 279                                         int n;
 280                                         for (int channel = 0; channel < n_inputs; channel++) {
 281                                                 framecnt_t x = 0;
 282
 283                                                 while (x < j->length()) {
 284                                                         // TODO: What about stereo+ channels? composite all to one, I guess
 285
 286                                                         n = fft_graph.windowSize();
 287
 288                                                         if (x + n >= (*j).length() ) {
 289                                                                 n = (*j).length() - x;
 290                                                         }
 291
 292                                                         n = pl->read(buf, mixbuf, gain, (*j).start + x, n, channel);
 293
 294                                                         if ( n < fft_graph.windowSize()) {
 295                                                                 for (int j = n; j < fft_graph.windowSize(); j++) {
 296                                                                         buf[j] = 0.0;
 297                                                                 }
 298                                                         }
 299
 300                                                         res->analyzeWindow(buf);
 301
 302                                                         x += n;
 303                                                 }
 304                                         }
 305                                 }
 306                                 res->finalize();
 307
 308                                 Gtk::TreeModel::Row newrow = *(tlmodel)->append();
 309                                 newrow[tlcols.trackname]   = rui->route()->name();
 310                                 newrow[tlcols.visible]     = true;
 311                                 newrow[tlcols.color]       = rui->color();
 312                                 newrow[tlcols.graph]       = res;
 313                         }
 314                 } else if (source_selection_regions_rb.get_active()) {
 315                         RegionSelection ars = s.regions;
 316                         // std::cerr << "Analyzing selected regions" << std::endl;
 317
 318                         for (RegionSelection::iterator j = ars.begin(); j != ars.end(); ++j) {
 319                                 // Check that the region is actually audio (so we can analyze it)
 320                                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*j);
 321                                 if (!arv)
 322                                         continue;
 323
 324                                 // std::cerr << " - " << (*j)->region().name() << ": " << (*j)->region().length() << " samples starting at " << (*j)->region().position() << std::endl;
 325                                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView *>(&arv->get_time_axis_view());
 326                                 if (!rtav) {
 327                                         /* shouldn't happen... */
 328                                         continue;
 329                                 }
 330                                 FFTResult *res = fft_graph.prepareResult(rtav->color(), arv->get_item_name());
 331                                 int n;
 332                                 for (unsigned int channel = 0; channel < arv->region()->n_channels(); channel++) {
 333
 334                                         framecnt_t x = 0;
 335                                         framecnt_t length = arv->region()->length();
 336
 337                                         while (x < length) {
 338                                                 // TODO: What about stereo+ channels? composite all to one, I guess
 339
 340                                                 n = fft_graph.windowSize();
 341                                                 if (x + n >= length ) {
 342                                                         n = length - x;
 343                                                 }
 344
 345                                                 memset (buf, 0, n * sizeof (Sample));
 346                                                 n = arv->audio_region()->read_at(buf, mixbuf, gain, arv->region()->position() + x, n, channel);
 347
 348                                                 if (n == 0)
 349                                                         break;
 350
 351                                                 if ( n < fft_graph.windowSize()) {
 352                                                         for (int j = n; j < fft_graph.windowSize(); j++) {
 353                                                                 buf[j] = 0.0;
 354                                                         }
 355                                                 }
 356
 357                                                 res->analyzeWindow(buf);
 358                                                 x += n;
 359                                         }
 360                                 }
 361                                 // std::cerr << "Found: " << (*j)->get_item_name() << std::endl;
 362                                 res->finalize();
 363
 364                                 Gtk::TreeModel::Row newrow = *(tlmodel)->append();
 365                                 newrow[tlcols.trackname]   = arv->get_item_name();
 366                                 newrow[tlcols.visible]     = true;
 367                                 newrow[tlcols.color]       = rtav->color();
 368                                 newrow[tlcols.graph]       = res;
 369
 370                         }
 371
 372                 }
 373
 374
 375                 free(buf);
 376                 free(mixbuf);
 377
 378                 track_list_ready = true;
 379         } /* end lock */
 380
 381         fft_graph.redraw();
 382 }
 383
 384 void
 385 AnalysisWindow::source_selection_changed (Gtk::RadioButton *button)
 386 {
 387         // We are only interested in activation signals, not deactivation signals
 388         if (!button->get_active())
 389                 return;
 390
 391         /*
 392         cerr << "AnalysisWindow: signal source = ";
 393
 394         if (button == &source_selection_ranges_rb) {
 395                 cerr << "selected ranges" << endl;
 396
 397         } else if (button == &source_selection_regions_rb) {
 398                 cerr << "selected regions" << endl;
 399
 400         } else {
 401                 cerr << "unknown?" << endl;
 402         }
 403         */
 404 }
 405
 406 void
 407 AnalysisWindow::display_model_changed (Gtk::RadioButton *button)
 408 {
 409         // We are only interested in activation signals, not deactivation signals
 410         if (!button->get_active())
 411                 return;
 412
 413         /*
 414         cerr << "AnalysisWindow: display model = ";
 415
 416         if (button == &display_model_composite_separate_rb) {
 417                 cerr << "separate composites of tracks" << endl;
 418         } else if (button == &display_model_composite_all_tracks_rb) {
 419                 cerr << "composite of all tracks" << endl;
 420         } else {
 421                 cerr << "unknown?" << endl;
 422         }
 423         */
 424 }
 425
 426